1 Use a cock ring. 2  A very easy way to keep an erection is to use a cock ring during sex. 3  A cock ring is an adjustable plastic band that fits over the base of the penis and behind the testicles. 4  A cock ring gives a man a rock hard erection, and desensitizes the penis so he can keep an erection longer.
A Master Chief Petty Officer is a Senior Noncommissioned Officer, with a military paygrade of E-9. The civilian equivalent of this military rank is roughly GS-6 under the federal government's General Schedule payscale.
A force master chief petty officer (FORCM) is a master chief who has virtually the same responsibility as command master chiefs, but for larger force commands rather than a single unit. There are 16 force master chief positions in the Navy: 1  Bureau of Medicine and Surgery. 2  Naval Air Force, U. S. Atlantic Fleet.